Feeding device for woodworking machinery.



PATENTED SEPT. 25, 1906.

J. R. THOMAS; FEEDING DEVICE FOR WOODWORKING MACHINERY.

APPLIOATION FILED DEC. 15, 1 903.

3 SHEETS-SHEET l.

f /L' v zrfdlwu PATENTBD SEPT. 25, 1906. J. R.- THOMAS. FEEDING DEVICEFOR WOODWORKING MACHINERY.

APPLICATION FILED DEO.15,1903.

3 SHEETS-SHEET 2.

III IIIIIIlllllllilllllllllllflllllll I m lmummlmn IIIIIIIHIIHIlllllllllll iuz Homers r-svms m, wsmw-wmv, n r

PATENTED SEPT. 25, 1906.

J. R. THOMAS. FEEDING DEVICE FOR WOODWORKING MACHINERY.

APPLICATION FILED 17E0.l5, 1903.

3 SHEETSSHEET 3.

J gfi wm.

MLQBS \S Q \S u.

fl 7. Wm f u/m m WEST VIRGINIA.

rarnnr orrron OHIO, ASSIG-NOIt TO J. A. FAY & CORPORATION OF FEEDINGDEVICE FOR WOODWORKING MACHINERY.

Specification of Letters Patent.

Patented Sept. 25, 1906.

Application filed December 15,1903. Serial No. 185,250.

To (all whom, it vimgl cmwern:

Be it known that I, JOHN R. THOMAS, a citizen of the United States,residing at Cincinnati, in the county of Hamilton and State of Ohio,have invented certain new and useful Improvements in Feeding Devices foroodworking Machinery, of which the fol lowing is a specification.

My invention relates to feeding devices for woodworking machinery,especially planing machinery, and has for its object the pro viding ofcompact, simple, and powerful I feeding agency; and for accomplishing myobject I provide a supplemental frame connected with the main frame ofthe machine by means of long ways, the supplemental frame havingswinging roll-housings mounted thereon supporting the upperfeeding-rolls, the housings swinging about a shaft secured in stationaryposition with relation to the supplemental frame, the rolls on thehousings being driven by means of expansiongearing from a shaftstationarily positioned with relation to the main frame, the lattershaft and the shaft stationarily positioned in the supplemental framehaving thereby relative movement between them and also having betweenthem a link-expansiongear drive and pivoted rollhousing, saidlink-expansion drive and pivoted roll-housing collectively having aplurality of intermediate articulations in different planes.

My invention therefore consists in providing a supplemental frame whichmay have upright standards of substantially the height of the main frameinside the main frame and connected thereto by long ways, with upperroll-housings swinging on said supplemental frame; in providing novelmeans for hanging the roll-housings and driving the rolls thereon,comprising a shaft about which the rollhousings are pivoted,stationarily positioned with relation to the supplemental frame, a shaftstationarily positioned with relation to the main frame, saidfirst-named shaft being adjustable with relation to said secondnamedshaft, and link expansion-geaiing connecting one of the roll-housingswith said second-named shaft, affording a plurality of intermediatearticulations in different planes between said named relativelyadjustable shafts-.-i. 6., between the axis of swing of the roll housingor housings, which is adjustable with the supplemental frame, and theaxis of the driving-shaft for the exp ansiongearing on the main frame;further, in providing novel means, hereinafter described and claimed,for giving pressure to said roll-housings and moving with saidsupplemental frame; further, in providing a .longitudinally-movableshaft for the feed-roll, whereby the feed-roll itself may be removed andexchanged without disturbing the position of the gears, and, further, inthe parts and in the construction, arrangement, and combinations ofparts hereinafter more fully described and claimed.

In the drawings, Figure 1 represents a left side elevation of myimproved device. Fig. 2 is a right-side elevation of the same, partlybroken away. Fig. 3 is aplan view of the same Fig. 4 is a cross-sectionof the same on the line y y of Fig. 3. Fig. 5 is a longitudinal sectionof one side of my improved device, taken on the line a: of Fig. 3, withthe pitch-line of the gearing operating the upper feed-rolls from themain frame, indicated indotted lines, and with the supplemental frame inlowered position. Fig. 6 is a diagram view of the gearing and pivotalconnections for the upper feeding-roll housings, partly shown insection. Fig. 7 is a longitudinal section taken on the line 2 2 of Fig.1, showing the feed-roll sections with the longitudinallymovable shaftand its driving connection; and Fig. 8 is a perspective view of thebearing-cap having the link supporting-ring thereon.

A represents the main frame, on which a supplemenal frame B isadjustable in manner hereinafter explained, the supplemental framehaving upper roll-housings O O swinging thereon, said upperroll-housings sup-- porting upper feed-rolls D D.

' v E is a stock-supporting table or bed for the machine, and F F arethe lower feed-rolls. Suitable cutter-heads for planing one or moresides of the stock are also provided, but are not shown because wellknown.

The supplemental frame or slide comprises side standards 1.1. 12 and across-girth 13, each of the standards being provided with long tongues1.4. 15, sliding in ways on the sides of the frame, gibs I8 19 takingfrom said sides over the tongues and forming the ways and confining thestandards between the sides of the main frame and the gibs. of thesupplemental frame extend, preferably, substantially throughout theheight of the main frame when the supplemental frame is in loweredposition. The supplemental frame is adjusted up and down with relationto the main frame by means of threaded rods 21 at the respective sidesof the machine, engaging internally-threaded lugs 22 23 on the mainframe, the threaded rods being held against endwise movement withrelation to the supplemental frame-by means of collars 24 25 on therespective rods engaging shoulders on the supplemental frame. Forconvenience and strength swellings 26 27 on the supplemental frameencompass the rods at their upper ends. The respective rods carrybevel-gears 28 29, meshing with bevel-pinions 30 31 on'a cross-shaft 32,journaled in the supplemental frame and operated by means of ahand-wheel 33. The supplemental frame carries a cross-shaft 35,preferably stationary, about Which the upper roll-hous ings C C swing.This cross-shaft is preferably located in substantially the transversemiddle of the sides of the supplemental frame. The housing C carries theupper feed-roll D, mounted on shaft 37, and the housing C carries theupper feed-roll D, mounted on shaft 39. The housings normally rest onlugs 36 38 on the supplemental feed-rolls F F.

ame.

A drivingshaft 41 receives motion from any suitable source of power andhas thereon a pinion 42, meshing with gears 43 44, respectively, onshafts 45 46 of the respective lower The shaft 45 also has gears 47 48secured thereto, one at each end of the roll. The gears 47 48,respectively, mesh with gears 51, secured to a shaft 52. Shaft 52 ispreferably journaled at each end in a hub 53 of an. expansion-link 54,the said hub being journaled in a bearing 55 on the frame. At the end ofeach of these expansion-links there is a bearingv 56 for a cross-shaft57, at each end of which a gear 58 is secured, the gears 58 being meshedby the gears 51. Each gear 58 meshes with a gear 59 for driving theshaft 37. The shaft 37 rotates within the bearings 60 on the housing C.Expansion links 61 take about the bearings 56 on the expansion-links 54and about the axis of the shaft 37. Each gear 59 meshes with a gear 63on the shaft 35, each gear 63 meshing with and driving a gear 64 on theshaft 39 of feedroll D, rotating within the bearings 65 on housing C.The rolls are driven in the direction indicated by the arrows in Fig. 1,the feeding-in side of the upper feed-rolls being driven down. Theexpansion-links are projected from in front of and toward the front orfeed-in. side of the roll mounted in the housing with which theexpansion-link mechanism connects, and the pivot of said housing Thestandards is at the rear or feed-out side offsaid roll. The upperfeed-rolls are also given a parallel lift and drive.

My improved construction reduces the strain upon the supplemental frameoccasioned by the drive and yield of the rolls to the minimum anddirects this strain along lines which will minimize binding of theparts. I further mount the driving means and means for yielding toinequalities of the stock on pivotal bearings cooperating for drivingthe in-feeding face of the upper feedrolls downward toward the stock forobtaining maximum feeding force with minimum power application. It willbe noted that the upper feed-roll housings are mounted pivotally upon ashaft located at substantially the transverse middle of the sides of thesupple mental frame or slide. The link expansiongearing exerts itsdownward pressure at the forward or swinging -end of the forward housingfrom in front of the housing. 'When pressure is exerted for causing theforward upper feeding-roll to yield to stock, the housing of saidforward upper feed-roll swings on its pivot at its rear against theforce of the power exerted by the drive from in front of the housing andthe force of the pressure device, thereby causing the resistance to thisyield at the pivot to be exerted in a directionsubstantially'longitudinal of the sides of the supplemental frame, andthereby reducing the wedging effect between the sides of thesupplemental frame and their guideways to the minimum and ermittingadjustment of said supplemental frame to height even during operation ofthe machine.

produced when the-rear one of the upper feed-rolls is caused to yield tostock, and the sides for the supplemental frame are extendedsubstantially above and below the table of the machine for furtheraiding in easy manipulation and in causing the yield to be in truelines, so that the upper feed-rolls may at all times be in correctpositions above the lower feed-rolls for obtaining maximum feedingpower.

I have shown the upper rollhousings as provided with novel means forsubstituting feed-roll sections for the feed-rolls and for removing andexchanging the feed-rolls and feed-roll sections. Referring to Figs. 7and 8, I have shown the shaft 37 as a pull-out shaft havinga handle 71.I have also shown the gears 59 provided with hubs 72,-journaled in thebearings 60, the said gears also having internal bore 73, into which theshaft 37 projects. The shaft is provided with a spline 74, the feed-rollsections d, (1 each also having a spline with a feather 76 taking intothe splines for securing the feed-roll sections and shaft together. Eachof the feed-rolls and feed-roll sections it is desired to place upon theshaft is provided with a similar spline 75. Bolts 77, taking against theA similar effect is IIO feathers, secure the roll or roll-sections securely in place. The feathers are preferably made in sections, each gear58 and each roll and roll-section being provided with a feather fortaking into the Splines. These feathersections have lugs 7 8, which takeinto inden+ tations in the respective rolls, roll-sections, and gears 59for preventing accidental dropping out of the feathers when the roll orrollsections are removed, but have sufficient looseness in lit to permitclamping on the shaft by means of the bolts 7 7. The feathers may befirmly secured to the gears, if desired. This construction permits theshaft to be pulled or drawn out or moved longitudinally for removing orexchanging the feed-roll or feed-roll sections without disturbing thegearing. This construction is especially useful in that class of planersknown in sin e in old ing machines where narrow stock is frequentlyplaned and it is desirable to use oiflerent kinds of feed-rolls ordifferent widths of feedrolls, depending on the character or width ofstock it is desired to feed through the machine. Thus in Figs. 3 and 4 Ihave shown wide feed-rollers I). D mounted in the machine, the rollersbeing substantially the width of the capacity of the machine. In Fig. 7I haveshown this feed-roll substituted by the narrow feed-roll sections(1 (1, various numbers of which may be employed at different points inthe width of the machine along the shaft, the sections being eitherilutei, toothed, ribbed, or smooth or of such contour as may be desiredfor the character of work being done. The shaft is held in positionlongitudinally by a shoulder 79 on the shaft which takes against the endof the hub of gear 58 and a collar 80, which is secured to the shaft atthe inner end of gear 58. If desired, also, fluted, ribbed, or smoothrolls of full width of the capacity of the machine may be mounted on theshaft. In the present exemplification of my invention each of the shafts37 and 39, with their feed-rolls an) gears, are constructed and proviled with connections for permitting the shaft to be pulled out orwithdrawn from the roll or roll sections. It is necessary to move theshaft longitudinally only far enough to permit the roll or roll-sectionsto be removed radially.

My improved construction permits longitudinal movement of the roll-shaftand ra dial i. 0., sidewise removal of the roll and roll-section withoutdisturbance of the link expansion or gearing driving the roll. The caps81 of bearings for the housing C are preferably provided with a ring 82,taking about the hubs 7 2 for affording a pivot for the expansion-link61, thereby removing the link from direct journal contact with the ear.

Each of the roll-housings 1S provioed with pressure mechanism movingwith the supplemental frame for affording pressure on feeding-roll insaid end.

the stock. Preferably at each side of the supplemental frame aweightlever 85, carrying weights S6, is pivoted on a bolt 87. The levernormally rests on a lug 88, having an upward extension 89, forming aslot 90 between the standards and lug in which the lever is movable. Thelever is articulated with a link 91, in turn articulated with across-link 92, at the respective ends of which connecting rods or cables93 9% are articu lated, the upper ends of said rods or cablesrespectively connecting with the housings C C. The upper ends of theserods are pref erably enlarged, as shown at 95, and rest in sockets 96,the flaring walls of which retain the enlargement, the lower enifs ofthe sock ets being also flare; for clearance of the rods when thehousings swing on their pivots.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is

1. In feeding mechanism for a planer, the combination of a f ame, aslide thereon, hav ing sides rigid therewith extending above and belowthe table and a hinged housing on slide supporting upper feeding-roll,said housing pivoted at its rear, and link expansion-gearing connectingwith said roll from in front.

2. In. feeding mechanism for a planer, the combination of a frame, aslide thereon, hav ing sides rigid therewith extending above and belowthe table a hinged housing on slide supporting upper feeding-roll, saidhousing pivoted at its rear, link expansion-gearing connecting with saidroll and projected from in front of and toward the front or feed-in sideof said roll and pressure device for the housing movable with slide.

3. In feeding meenanism for a planer, the combination of a frame, aslide thereon, a hinged housing on slide supporting feedingroll, gearingjournaled on the housing, and a shaft movable longitudinally in and anexpansion-link pivoted about said journaled gearing permitting removalof feeding-roll without dismantling said gearing or link.

a. In feeding mechanism for a planer lower feed-rolls, a self-containedrigid sliding support extending above and below the lower feed-rolls andcarrying hinged housings for upper feeding-rolls, in combination withsaid housings and linked expansion-gearing connecting the frame and theswinging end of one of said hinged housings and projected toward saidswinging end from in front of and toward the front or feed-in side ofthe 5. In a feeding device for woodworking machinery, the combination ofa main frame, a supplemental frame adjustable thereon, a feed-rollhousing pivoted at its rear on the supplemental frame, linkedexpansion-gearing pivoted on the main frame and projected from in frontof and toward and connecting the swinging end of said housing with thegearing'thereon, a supplemental frame adjustable on the main frame, ashaft in said supplemental frame, a pair of roll-housin s pivoted aboutsaid shaft in substantially the transverse middle of the sides of saidsupplemental frame, a feed-roll journaled in the swinging end of eachhousing, a gear for each roll and connected by a meshing gear, andexpansion-gearing connecting the gear in the swinging end of one of saidhousings with the gearing on the main frame and a feed-roll journaled inthe housing and locatedin vertical plane between said pivots, saidhousing and linked expan siongearing having their only commonarticulation at the swinging end of said housing, substantially asdescribed.

In a machine of the character described, the combination of a mainframe, lower feeding-roll, a supplemental frame having rigid sidesextending below said lowerfeeding-roll and adjustable on the main frame,a swinging upper feed-roll housing having its pivot at its rear on thesupplemental frame, an upper feed-roll in the swinging end of saidhousing, swinging link expansion-gearing projected from in front of andtoward and having connection with and driving said upper feedroll andhaving its pivot said housing and link expansion-gearing having a.single common swinging articulating axis which is located at theswinging end of said housing.

7 In a machine of the character described, the combination of a mainframe, lower feed ing-roll, a supplemental frame having rigid sidesextending below said lower feeding-roll and adjustable on the mainframe, a swinging upper feed-roll housing having its pivot at its rearon the supplemental frame, an upper feed-roll in the swinging end ofsaid housing, a pressure device below said lower feeding-roll and havingconnection with said upper feed-roll housing, said pressure devicemounted on the lower end of and movable with said supplemental frame,swinging link expansion-gearing projected from in front of and towardthe front or feed-in side of the roll and having connection with anddriving said upper feed-roll and having its pivot on the main frame,said upper feed-roll located in vertical plane between said namedpivots, said housing and link expansion-gearing also havinga singlecommon swinging articulating axis which is located at the swinging endof said housing.

8. In a feeding device for woodworking machinery, the combination of amainframe, a supplemental frame adjustable thereon, a shaf frame,

mam frame, and projected toward said housing from in front thereof, saidhousing and link expansion-gearing having a single common swingingarticulating axis which is located at the swinging end of said housing,substantially as described.

10. machinery, the combination of a main frame, a supplemental frameadjustable thereon, a shaft carried by and adjustable with thesupplemental frame, a shaft stationarily positioned with relation to themain frame, gearing therefor, a feed-roll housing swinging at its rearabout said shaft on the supplemental frame, a feed-roll shaft journaledin the swinging end of said housing, a gear for said shaft, andexpansion-gearing projected from in front toward and connecting saidlastnamed gear in the swinging end of the housing with gearing on saidmain-frame shaft, said housing and expansion-gearing having their onlycommon articulation at the swinging end of said housing, substantiallyas described.

11. In feeding mechanism for woodworking machinery, the combination of aswinging feed-roll housing whose pivot is at its rear end verticallyadjustable and rigidly positioned after adjustment, a feed-roll in itsswinging end, link expansion-gearing projected from in front of andtoward the front or feed-in side of the roll mountedin said housing andconnecting with the swinging end of said housing and having pivot fromwhich it swings, said roll swinging in an are projected between saidpivots, and said housing and link expansion-gearing having their onlycommon articulation at the swinging end of said housing.

12. In a feeding device for woodworking machinery, the combination withthe main ame, gearing thereon, lower feed-rolls in the main frame, asupplemental frame extending substantially below said lower feed-rollsand adjustable on the main frame, a pair of upper feed-roll housingspivoted on the supplemental frame at substantially the transverse middleof the sides of the latter, an upper feed-roll in each housing, gearingat each end of each of said upper feed-rolls, gearing at each-side ofthe supplemental frame operatively connecting the gearing at therespective ends of the housing-rolls and movable with the supplementalframe, and link expansion-gearing at each side of the swinging planes, afeed-roll housing and link expansion-gearin having a plurality ofintermediate articul ations in different planes pivoted about saidshafts for driving the feedroll from the firstnamed shaft, said housingand link-expansion gear- I ing having their only common articulation att e swinging end of said housing, with the feed-roll in said housinglocated in vertical plane between said pivots, the pivot of said housingbeing at the rear of said housing and said link expansion-gearingprojected toward said housing from in front thereof.

9. In a feeding device for woodworking machinery, the combination of amain frame,

In a feeding device for woodworking end of the forward one of saidhousings projected from in front of and toward the feedin side of theroll therein and connecting the gearing there n with the gearing on themain frame, whereby said housings are given parallel lift and drive,said last-named housing and said link expansion-gearing having theironly articulation at the swinging end of said housing, and a pressuredevice for the rolls mounted at the lower ends of said supplemen talframe and movable therewith, and connections therefrom to said housings,sai construction forming self-contained upperfeed roll-supp ortingsupplemental frame and pressure device extending substantially below thelower feed-rolls, substantially as e scribed.

13. In a feeding device for woodworking machinery, the combination withthe main frame, gearing thereon, lower feed-rolls in the main frame, asupplemental frame ex tending substantially below said lower feedrollsand adjustable on the main frame, a pair of upper-feed-roll housingspivoted on the supplemental frame at substantially the transverse middleof the sides of the latter, an upper feed-roll in each housing, gearingat each end of each of said upper feed-rolls, gearing at each side ofthe supplemental frame operatively connecting the gearing at therespective ends of the housing-rolls an movable with the supplementalframe, an link expansion-gearing at each side of the swinging end of theforward one of said housings projected from in front of and toward thefront or feed-in side of the feed-roll therein and connecting thegearing thereon wi h the gearing on the main frame of said feedrollsdownward, whereby said housings are given parallel lift and drive, saidlast-name housing and said link expansion gearing having their onlyarticulation at the swinging end of said housing, a weight-lever pivotedto the lower end of said supplemental frame below the lower feed-rollsand movable with the supplemental frame, and link connection therefromto said roll-housings, said construction forming self-contained uperfeed-roll-supporting supplemental frame and pressure device extendingsubstantially below the lower feedrolls, substantially as described.

14. In a feeding device for woodworking machinery, the combination of amain frame, gearing thereon, a supplemental frame adjustable on the mainrame, a shaft in the supplemental frame at substantially the transversemiddle of the sides of the latter, a pair of feed-roll housings pivotedabout said shaft, a feed-roll journaled in each housing, a gear for eachroll, a gear meshing with each of the latter, and link expansion-gearingconnecting the swinging end of the first of sai housings and the gearthereon with the gearlink ing on the main frame, said housing andfeeding-in side thereof ing pivoted in rear of the roll therein, anconstructed and feeding-in side of w ardly gearing thereon, in the in amframe, a supplemental frame comprising a pair of side standards rigidwit lowered position,

mental frame at substantially de standards, and link exoxpansion gearinghaving their only common articulation at the swinging end of saidliousing,said link expansiongearing connecting with said last-namedhousing from the and said housing bearranged for driving the each ofsaid rolls downsubstantially as described.

In a feeding device for woodworking the combination of a main frame,lower feed-rolls positioned l 5. machinery,

said supplement frame extending substantially below said positionedlower feed-rolls when said supplemental frame is in normal with longways between the supplemental frame and main frame inside the main frameand extending below said lower feedrolls, a pair of upper feed-rollhousings pivoted on the supplemental frame at substantially thetransverse middle of said side standards, and link expansion-gearingconnecting the swinging end of the forward one of said housings from inadvance of sai housing with the gearing on the main frame, substantiallyas describe i 16. In a feeding device for woodworking machinery, thecombination of a main frame, gearing thereon, lower feed-rolls rigidlypositioned in the main frame, and self-contained upperfeed-roll-supporting supplemental frame and pressure devicesubstantially below said lower feed-rolls, said supplemental framehaving a pair of side standards rigid therewith extending substantiallybelow said rigidly-positioned lower feed-rolls when said supplementalframe is in normal lowered position, with long ways be tween thesupplemental frame and mai frame inside the main frame and extendingbelow said lower feed-rolls, a pair of upper feed-roll housings pivotedon the supple the transverse middle of said si ansion-gearing connectingthe swinging en of the forward one of said housings from in advance ofsaid housing with the gearing on the main frame, said pressure devicepivote at the lower end of a standard below said lower feed-rolls andmovable with said standard, and connections therefrom to said housings,substantially as described.

17. In a feeding device for woodworking machinery, the combination withthe main frame, of a supplemental frame adjustable thereon, hinged upperfeed-roll housings car ried by the supplemental frame, feed-rollstherein, and linked expansion-gearing connecting the main frame and theforward one of said hinged housings, forming driving connection for theroll therein, said last-named housing being pivoted at its rear and saiddriving connection comprising at least two extending i oo pivtally-hunggears linked together and I said support with the main frame and havingcommunicating motion one to the other, said a link pivoted about saidjournaled gear, said linked expansion-gearing connecting with feed-rollshaft being longitudinally movable said last-named upper feed-roll fromin front in said journaled gear for permitting removal of the feeding-inside thereof, and driving the of said feed-roll without dismantling said70 same downwardly, with said last-mentioned link or journaled gear.

I roll located in vertical plane between the ver- 22. In a feedingdevice for woodworking tical planes of the pivots from which saidremachinery, the combination of a gear, a bearspective gears swing, saidhousing and linked ing therefor, said gear having a bore, a feed- IOexpansion-gearing having their only common roll, a feed-roll shaft, saidgear, bearing, feed-' 75 articulation at the swinging end of saidhousroll and feed-roll shaft yielding to inequaliing.

ties in stock passing through the machine,

18. In feeding mechanism for woodworkand link expansion-gearing meshingwith ing machinery, the combination of a main said first-named gear andpivoted about said ame, a lower feed-roll, aself-contained upshaft, saidfeedroll shaft being longitudi- 80 per feed-roll and pressure devicesupporting nally movable in said bore for permittlng removal of saidroll without dismantling said gearing, substantially as described.

23. In a feeding device for woodworking machinery, the combination of anupper 3 5 feed-roll support, a gear journaled therein, said gear havinga bore, a yielding feed-roll, a feed-roll shaft, link expansion-gearingmeshing with said bored gear and having a link pivoted on said supportand swinging about 0 said shaft, said shaft being longitudinally movablein said bored gear and pivoted link for permitting removal of said roll.

24. In a molding-machine, the combination of interchangeable yieldablefeed-rolls, o5 gearing therefor and yielding therewith, a

caring in which said gearing is journ-aled 2o stantially below saidlower feed-roll, said ong guideways between them, a swinging upperfeed-roll housing having its pivot at its rear on said supplementalframe, an upper feed-roll in its swinging end, link expansiongearingprojected from in front of and toward the front or feed-in side of saidlast, named feed-roll and connecting with the aving a pivot on said mainframe from which it swings, said upper feed-roll located in verticalplane between said pivots, substantially as described. yielding withsaid gearing, a feed-roll shaft 19. In a feeding device for woodworkingmovable longitudinally in said gearing for 3 5 machinery, thecombination of a main frame, permitting radial interchanging of thefeed- Icc a lower feed-roll therein, a supplemental rolls, substantiallyas described. frame being a rigid structure extending be- 25.' In amolding-machine, the combinalow said lower roll adjustable on the maintion of a yieldable feed-roll housing, feed-roll ame, an upper feed-rollhousing pivoted at gearing journaled on the housing and yielding 40 itsrear to said supplemental frame at subwit the housing, linkexpansion-gearing I05 stantially the transverse middle of the sidesdriving the same from the main frame, and a of the latter, an upperyielding feed-roll in its feed roll shaft, said link expansion-gearingswinging end, link expansion-gearing conaving a link pivoted about saidfeed-roll necting the swinging end of said housing to shaft and saidfeed-roll shaft movable longi- 4 5 the main frame and extending from infront toward the feed-in side of said upper feedroll and driving saidfeed-1n side downwardly, the pivot for said housing being in rear ofsaid upper feed-roll, substantially as described.

20. In a feeding device for woodworking machinery, the combination withthe main frame, of a feed-roll yielding-to inequalities in the stockpassing through the machine, a

journaled gear therefor, a yieldable support in which said gear isjournaled, and a shaft movable longitudinally in said gear forpermitting removal of said feed-roll.

21. In a feeding device for woodworking 6o machinery, the combinationwith the main frame, of a feed-roll yielding to inequalities in thestock passing through the machine, a 27. In a feeding device forWoodworking journaled gear therefor, a feed-roll shaft, a machinery, thecombination of apair of yieldyieldable support in which said gear isjouring bearings,yielding gears journaled therein,

naled, link expansion-gearing connecting l a yielding feed-roll, a borefor each of the I 30 for permitting removal of the feed-roll withoutdismantling said feed-roll gearing or link expansion mechanism,substantially as described.

26. In a feeding device for woodworking I15 machinery, the combinationof driving means for a feed-roll comprising a gear having a'journal-hub, a bearing for said hub, link eX- pansiongear mechanismpivoted on said mitting longitudinal movement of the shaft in saidgearing and feed-roll for permitting removal of the feed-roll,substantially as de- 1 5 scribed.

tudinally in said journaled feed-roll gearing IIo gears and thefeed-roll, a yielding feeda'ol shaft movable longitudinally in said :ofor permitting removal of said yielding esd l roll, and means forsecuring the yielding rec roll, shaft and gears rotatively together, sustantially described.

28. In a feeding device for woodworking machinery, the combination of apair of yielding gears having long hubs, yielding bearings therefor,said gears each having a bore, a yielding feed-roll having a bore, ashaft taking into said bores in the gears and feed-roll, means forsecuring said gears, shaft and feedroll rotatively together andconstructed. for ermitting longitudinal movement 0 the shaft forpermitting removal of said roll while retaining said llCilIFS of thegears in their bearings, substantially as described.

29. In a feeding device for woodworking machinery, the combination of apivoted housing, a bearing in the housing, a feed -roll gear having ahub journaled in said bearing, said hub having a bore, a shaft slidablelongitudinally in said bore for permitting removal of the feed-roll, acap for s: id bearing having ring extending about said hub, and linkexpansion-gearing pivoted about said ring, substantially as described.

30. In a feeding device for woodworking machinery, the combination of afeed-roll support, a bearing in said support, a yielding feedroll, agear having a hub iournalezil in said bearing, said hub having a bore, ashaft movable longitudinally in said bore for per mitting removal ofsaid feed-roll, a cap for the bearing, and link expansion-gearingpivoted on said cap.

31. In a feeding device for woodworking machinery, the combination of amain frame, gearing thereon, a supplemental frame adiv stable on themain frame, a yielding feed-roll housing pivoted on the supplementalframe, feed-roll gearing having a hub journaled in the housing, ayielding feed-roll, a feed-roll shaft movable longitudinally in saidfeed-roll gearing for permitting radial removal of said feed -roll, andlink exp ansion-gearing connecting said feed-roll gearing with thegearing on the main frame and having a link pivoted on said housingabout said feed-roll shaft, substantially as described.

In a feeding device for woodworking machinery, the combination of a mainframe, gearing thereon, a supplemental frame adjustable on the mainframe, a feed-roll housing pivoted on the supplemental frame, a bearingthereon, a feed-roll gear having a hub iournaled in said bearing, a capfor said bearing having a ring taking about said hub, linkexpansion-gearing pivoted about saic ring and connecting with thegearing on the main frame, a feed-roll, a shaft movable longitudinallyin said feed-roll gear-hub for per mitting radial removal of saidfeed-roll while end of said machine,

maintaining its driving-gearing in position, substantially as described.

33. In. a machine of the character described, the combination of themain frane. A, lower feedingaolls F I supplemental frame B having sidestandards ll 12 rigid thereon and ex tending inside the main frame abovean; substantially below said lower feeding-rolls and having slidingconnection with said main frame extending substantially below said lowerfeeding-rolls, cross-slnrft 35 at the upper end of the supplementalframe, swinging upper feed-roll housings G C pivoted about said shaftand projecting respectively toward the feedingin and toward thefeeding-out an upper feed-roll in 52 for the frame, linkexpansion-gearing pivoted. about said shaft and projected from in frontof toward the feed-in side of the roll in housing 0 and coneach housing,a shaft necting with the upper feed-roll in housing L for driving thesame said housing G and said link expansion-gearing having a singlecommon swinging articulating axis, which is located at the swinging endof said. housing, the upper feed-roll in housing being in vertical planebetween said cross-shaft 35 and said shaft 52, and. a pressure devicefor said housings, substantially as described.

34. In a m achine of the character described, the combination of themain frame A, lower feeding-rolls F F supplemental frameBhaving sidestandards 11 12 rigid thereon and extending inside the main frame aboveand substantially below said lower feeding-rolls and having slidingconnection with said main frame extending substantially below said lowerfeeding-rolls, cross-shaft 35 at the upper end of the sup plementalframe, swinging upper feed-roll housings C C pivoted. about said shaftand projecting .respectively toward. the feeding-in and toward thefeedingout end of said machine, an upper feed-roll in each housing, ashaft 5'3 for the frame, link expansion-gearing pivoted about said shaftand projected from in front of toward the feed-in side of the roll inhousing C and connecting with the upper feed-roll in housing C fordriving the same, said housing C and said link expansion-gearing havinga single common swinging articulating axis which is located at theswinging end of said housing, the upper feed-roll in housing C being'inverticaplane between said cross-shaft 35 and said shaft 52, aweight-lever having pivot 87 to the lower end of one of said standards,said weight-lever also having connections 93 94 with said housings bymeans of links, said swinging housings and weight-lever andv connections between the same mounted on and moving with said. supplementalframe in the adjustment of the latter, substantially as. described.

35. In a feeding device for woodworking machinery, the combination ofa'main frame, feed-roll mounted therein, link expansion a slide thereon,means for adjusting said slide gearing projected toward said housingfrom on said main frame, an upper feed-roll housin front thereof andconnecting with the feedsaid roll downward and thereby exertin yieldingpressure at the swinging end' of said housing, and a pressure deviceacting with saidlink expansion-gearing on said housing for yieldinglyforcing the swinging end of said housing downward, substantially asdescribed.

11 testimony whereof I have signed my name hereto in the presence of twosubscribing witnesses.

JOHN R. THOMAS.

gearing projected toward said housing from in front thereof andconnectin with said feed-roll for driving the forward feeding-face ofsaid roll downward and thereby exerting pressure at the swinging end ofsaid housing, and a weighting device connectand movablewith said slide,substantially as described.

36. In a feeding device for woodworking machinery, the combination of aslide, ahousing pivoted at its rear on said slide, an upper Witnesses:

JOHN F. KRENKEL, ROY STEVENS.

